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Operating income (Tables) | 12 Months Ended
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Dec. 31, 2017
Operating income |
Schedule of operating income |
| Years ended December 31,
| 2017 | 2016 | 2015
Operating income from services and other income |  |  |
Revenues and other income | 57,104 | 45,437 | 34,524
Operating expenses | (39,279) | (32,711) | (25,079)
Operating income before depreciation and amortization (a) | 17,825 | 12,726 | 9,445
D&A | (6,928) | (6,198) | (4,438)
Disposals and impairment of PP&E | (316) | (383) | (199)
Operating income from services and other income | 10,581 | 6,145 | 4,808
Operating income (loss) from equipment sales |  |  |
Revenues | 8,215 | 7,886 | 6,016
Cost of equipments and handsets | (6,684) | (6,188) | (4,595)
Operating income (loss) from equipment sales (b) | 1,531 | 1,698 | 1,421
Total operating income | 12,112 | 7,843 | 6,229
Consolidated net income |  |  |
Operating income before depreciation and amortization (a) + (b) | 19,356 | 14,424 | 10,866
D&A | (6,928) | (6,198) | (4,438)
Disposals and impairment of PP&E | (316) | (383) | (199)
Total operating income | 12,112 | 7,843 | 6,229
Schedule of breakdown of operating income by segment |
Year ended December 31, 2017 | Fixed services | Mobile services | Total consolidated
Services revenues and other income |  |  |
Third party revenues | 19,868 | 37,236 | 57,104
Intersegment revenues | 2,421 | 316 | 2,737
Third party operating expenses | (18,262) | (21,017) | (39,279)
Intersegment operating expenses | (316) | (2,421) | (2,737)
Subtotal income for services revenues and other (1) | 3,711 | 14,114 | 17,825
Equipments revenues |  |  |
Third party revenues | 663 | 7,552 | 8,215
Third party operating expenses | (524) | (6,160) | (6,684)
Subtotal income (loss) from equipments revenues (2) | 139 | 1,392 | 1,531
Total operating income before depreciation and amortization (3)=(1)+(2) | 3,850 | 15,506 | 19,356
D&A (4) | (2,236) | (4,692) | (6,928)
Disposals and impairment of PP&E (5) | (21) | (295) | (316)
Operating income (6)=(3)+(4)+(5) | 1,593 | 10,519 | 12,112
Net effect of the intersegment eliminations (7) | (2,105) | 2,105 |
Net segment contribution to the Operating income before D&A (8)=(3)+(7) | 1,745 | 17,611 | 19,356
Net segment contribution to the Operating income (9)=(6)+(7) | (512) | 12,624 | 12,112
Year ended December 31, 2016 | Fixed services | Mobile services | Total consolidated
Services revenues and other income |  |  |
Third party revenues | 14,989 | 30,448 | 45,437
Intersegment revenues | 1,947 | 158 | 2,105
Third party operating expenses | (13,464) | (19,247) | (32,711)
Intersegment operating expenses | (158) | (1,947) | (2,105)
Subtotal income for services revenues and other (1) | 3,314 | 9,412 | 12,726
Equipments revenues |  |  |
Third party revenues | 91 | 7,795 | 7,886
Third party operating expenses | (136) | (6,052) | (6,188)
Subtotal income (loss) from equipments revenues (2) | (45) | 1,743 | 1,698
Total operating income before depreciation and amortization (3)=(1)+(2) | 3,269 | 11,155 | 14,424
D&A (4) | (1,897) | (4,301) | (6,198)
Disposals and impairment of PP&E (5) | 1 | (384) | (383)
Operating income (6)=(3)+(4)+(5) | 1,373 | 6,470 | 7,843
Net effect of the intersegment eliminations (7) | (1,789) | 1,789 | -
Net segment contribution to the Operating income before D&A (8)=(3)+(7) | 1,480 | 12,944 | 14,424
Net segment contribution to the Operating income (9)=(6)+(7) | (416) | 8,259 | 7,843
Year ended December 31, 2015 | Fixed services | Mobile services | Total consolidated
Services revenues and other income |  |  |
Third party revenues | 10,714 | 23,810 | 34,524
Intersegment revenues | 1,834 | 137 | 1,971
Third party operating expenses | (9,863) | (15,216) | (25,079)
Intersegment operating expenses | (137) | (1,834) | (1,971)
Subtotal income for services revenues and other (1) | 2,548 | 6,897 | 9,445
Equipments revenues |  |  |
Third party revenues | 61 | 5,955 | 6,016
Third party operating expenses | (82) | (4,513) | (4,595)
Subtotal income (loss) from equipments revenues (2) | (21) | 1,442 | 1,421
Total operating income before D&A for services and other income (3)=(1)+(2) | 2,527 | 8,339 | 10,866
D&A (4) | (1,526) | (2,912) | (4,438)
Disposals and impairment of PP&E (5) | (91) | (108) | (199)
Operating income (6)=(3)+(4)+(5) | 910 | 5,319 | 6,229
Net effect of the intersegment eliminations (7) | (1,697) | 1,697 | -
Net segment contribution to the Operating income before D&A (8)=(3)+(7) | 830 | 10,036 | 10,866
Net segment contribution to the Operating income (9)=(6)+(7) | (787) | 7,016 | 6,229

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